Workers install cofferdams at the Russian landfall in the spring 2019. These vertical retaining walls limit the width and impact of trenches at the twin pipeline’s shore crossing, where it needs to be buried for stability and protection.

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Cofferdam installation at the Russian landfall

Workers install cofferdams at the Russian landfall in the spring 2019. These vertical retaining walls limit the width and impact of trenches at the twin pipeline’s shore crossing, where it needs to be buried for stability and protection.